272220534 has 16 divisors (see below), whose sum is σ = 604934640. Its totient is φ = 90740160.

The previous prime is 272220527. The next prime is 272220551. The reversal of 272220534 is 435022272.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 272220498 and 272220507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520507 + ... + 2520614.

It is an arithmetic number, because the mean of its divisors is an integer number (37808415).

Almost surely, 2^272220534 is an apocalyptic number.

272220534 is an abundant number, since it is smaller than the sum of its proper divisors (332714106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272220534 is a wasteful number, since it uses less digits than its factorization.

272220534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041132 (or 5041126 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 272220534 is about 16499.1070667476. The cubic root of 272220534 is about 648.0974219095.

The spelling of 272220534 in words is "two hundred seventy-two million, two hundred twenty thousand, five hundred thirty-four".